Hibernating Bears Keep the Thermostat Turned Up(17 February 2011) The New York Times

Black bear hibernation mystery: Bears can slow their metabolic rates far more than their body temperatures would predict.(17 February 2011) Discovery News

Hibernating bears teach scientists tricks for human hibernation: A study of hibernating black bears paves the way for using hibernation-like states in humans for treating the critically ill and helping astronauts survive journeys through deep space(17 February 2011) Guardian (U.K.)